Home / 2,119.51-2,924.79-1,175.23

Finding the Fourth Proportional to 2,119.51, 2,924.79 and 1,175.23

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Solution

The fourth proportional to 2,119.51, 2,924.79 and 1,175.23 is: 1,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.51 : 2,924.79 = 1,175.23 : x
  2. Step 2: Convert to fraction form
    2,119.51/2,924.79 = 1,175.23/x
  3. Step 3: Cross multiply
    2,119.51x = 2,924.79 × 1,175.23
  4. Step 4: Simplify right side
    2,119.51x = 3,437,300.95
  5. Step 5: Solve for x
    x = 3,437,300.95/2,119.51
  6. Step 6: Final answer
    x = 1,621.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.